Evaluate the following integral. 2 dx 16-x² 0 What substitution will be the most helpful for evaluating this integral? O A. x = 4 tan 0 O B. x=4 sec 0 C. x= 4 sin 0 Find dx. dx= de Rewrite the given integral using this substitution. 2 2 dx 7·10 2 0 √16-x (Type exact answers.) Evaluate the definite integral. 2 dx 0 16- (Simplify your answer. Type an exact answer.)

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